Exerciser



FIG. 1 is an end elevational view of an exerciser showing my new design;

FIG. 2 is an end elevational view thereof, showing the end opposite that seen in FIG. 1;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof. 

The ornamental design for an exerciser, substantially as shown. 